Yulia Sister (Hebrew: יוליה סיסטר, Russian: Юлия Давидовна Систер; born September 12, 1936, in Chișinău, Bessarabia, Romania) is a Soviet Moldavian and Israeli analytical chemist engaged in chemical research with the use of polarography and chromatography, a science historian, and a researcher of Russian Jewry in Israel, France, and other countries.

She also remembered the German bombing of the city and the air raids on the roads, by which her family escaped to the East from the Nazis.

Despite severe post-war shortages and difficulties, the Sister's family succeeded to restore their home, which included a huge library.

Among the family friends and guests were writers, actors, musicians and scientists, and Yulia grew up in an atmosphere of thirst for knowledge.

On the advice of her teacher Sister participated in the chemistry enrichment program for school children that was carried out by Professor Anton Ablov [ro] at the University of Kishinev.

In order to carry out analysis of organic compounds by the means of alternating-current (ac) polarography Yulia built with her own hands a polarograph and received the first polarograms.

Then, together with the physicist Vil Senkevich, they assembled an automatic device, and only later began the serial production of polarographs in the USSR.

Her ecology oriented research included analysis of pesticides in environmental samples, food items and biological mediums.

For about 20 years Yulia Sister served as a consultant on the use of the polarographic method in biology at the Department of Human and Animal Physiology of the University of Kishinev.

[1][4][11] In 1984 Yulia Sister was invited to work with the Institute of Technology and Development where she soon headed the laboratory of physical and chemical methods.

Yulia is the author of the articles "Chemistry" (jointly with P. Smorodnitsky), "Veniamin Levich", "Frederick Reines", "Moise Haissinsky", "Yuri Golfand" and many others.

By 2015 the Center published about 30 volumes of collections, including books devoted to Jews in England, France, U.S., Israel and other countries.

Together with Prof. Aron Cherniak she published a detailed report on the conference and some of its materials in the 8th volume of the "Russian Jewry Abroad" series.

[3][5] In 2003 Sister led a conference in Kiryat Ekron, in which she introduced the contribution of the Russian Aliyah to Israeli science, culture and education.

Her husband, Boris (Bezalel) Iosifovich Gendler, is a physician with an extensive experience in medical practice and education.

After his repatriation from Kishinev Bezalel Gendler worked as a doctor in one of the Israeli hospitals and published several articles, some of them in collaboration with Yulia.